William Oughtred

1574 - 1660

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William Oughtred was an English mathematician who is best known for his invention of an early form of the slide rule. He invented many new symbols including X for multiplication and :: for proportion.
Full MacTutor biography [Version for printing]

List of References (9 books/articles)

A Poster of William Oughtred

Mathematicians born in the same country

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Additional Material in MacTutor

  1. Florian Cajori on William Oughtred
  2. Aubrey's Brief Lives entry

Honours awarded to William Oughtred
(Click below for those honoured in this way)
Biography in Aubrey's Brief Lives


Other Web sites
  1. Encyclopaedia Britannica
  2. NNDB
  1. The Galileo Project
  2. G Pastori (Slide rule history)

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JOC/EFR December 1996

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http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Oughtred.html